While current flu shots need to be updated each season, scientists are finding new ways to make vaccine that could last much longer and cover more strains.

WHO recommends strains 2026 for Northern Hemisphere flu vaccines, updating all three viral strains to improve protection against emerging variants.

Some surveys have shown that nearly 30% of people believe getting a flu shot can actually cause influenza. This belief is likely due to common side effects linked to the vaccine, including headache, ...

Every year, flu vaccines are updated to match the flu viruses expected to circulate. For 2026, the vaccine focuses on several influenza strains that research predicts will be most prevalent. This ...

Flu season is not over yet, experts warn. Is there a second wave coming? Here's how to protect yourself as influenza keeps spreading.